In just six NFL seasons, Texans running back Arian Foster has gone from an undrafted free agent to one of the NFL's most high-profile players.

In just six NFL seasons, Texans running back Arian Foster has gone from an undrafted free agent to one of the NFL's most high-profile players.

Photo: Smiley N. Pool / Houston Chronicle

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Foster, shown here leaping for a touchdown in 16-13 win over Alabama on Oct. 21, 2006, rushed for 2,964 yards during his four-year career at Tennessee.

Foster, shown here leaping for a touchdown in 16-13 win over Alabama on Oct. 21, 2006, rushed for 2,964 yards during his four-year career at Tennessee.

Photo: Wade Payne / Associated Press

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On Nov. 19, 2005, Foster rushed for a career-best 223 yards against the Vanderbilt.

On Nov. 19, 2005, Foster rushed for a career-best 223 yards against the Vanderbilt.

Photo: Doug Pensinger / Getty Images

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Foster played in 47 games during his time in Knoxville, Tenn.

Foster played in 47 games during his time in Knoxville, Tenn.

Photo: Streeter Lecka / Getty Images

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Foster scored 25 touchdowns during his college career.

Foster scored 25 touchdowns during his college career.

Photo: Doug Pensinger / Getty Images

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Signed by the Texans an undrafted free agent on May 1, 2009, Foster, wearing No. 37, appeared in five games during the 2009 season. He rushed for 119 yards in the season finale against the New England Patriots.

Signed by the Texans an undrafted free agent on May 1, 2009, Foster, wearing No. 37, appeared in five games during the 2009 season. He rushed for 119 yards in the season finale against the New England Patriots.

Photo: Nick de la Torre / Houston Chronicle

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Foster rushed for a career-high 231 yards in the 2010 season opener, a 34-24 Texans' win over the Indianapolis Colts.

Foster rushed for a career-high 231 yards in the 2010 season opener, a 34-24 Texans' win over the Indianapolis Colts.

Photo: Brett Coomer / Houston Chronicle

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Foster led the league in rushing with 1,616 yards on the ground. He also scored an NFL-best 18 touchdowns

Foster led the league in rushing with 1,616 yards on the ground. He also scored an NFL-best 18 touchdowns

Photo: Smiley N. Pool / Houston Chronicle

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Foster rushed for 1,224 yards during the 2011 season.

Foster rushed for 1,224 yards during the 2011 season.

Photo: Smiley N. Pool / Houston Chronicle

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Arian Foster wipes tears from his eyes during a news conference at Reliant Stadium announcing his $43.5 million, five-year deal with the Texans.

Arian Foster wipes tears from his eyes during a news conference at Reliant Stadium announcing his $43.5 million, five-year deal with the Texans.

Foster carried the ball a career-high 351 times as he rushed for 1,424 yards during the 2012 season.

Foster carried the ball a career-high 351 times as he rushed for 1,424 yards during the 2012 season.

Photo: Smiley N. Pool / Houston Chronicle

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Foster tosses a ball during practice.

Foster tosses a ball during practice.

Photo: Brett Coomer / Houston Chronicle

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Foster catches a pass during practice.

Foster catches a pass during practice.

Photo: Brett Coomer / Houston Chronicle

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Foster listens to his head phones as he warms up before a game.

Foster listens to his head phones as he warms up before a game.

Photo: Karen Warren / Houston Chronicle

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Foster takes a knee during practice OTAs in May 2013.

Foster takes a knee during practice OTAs in May 2013.

Photo: James Neilsen / Houston Chronicle

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Foster receives a handoff from quarterback Matt Schaub.

Foster receives a handoff from quarterback Matt Schaub.

Photo: Karen Warren / Houston Chronicle

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Having missed training camp and the preseason due to injury, Foster rushed for 542 yards in eight games during the 2013 season. On Nov. 12, the Texans placed Foster on injured reserve due to a back injury.

Having missed training camp and the preseason due to injury, Foster rushed for 542 yards in eight games during the 2013 season. On Nov. 12, the Texans placed Foster on injured reserve due to a back injury.

“Schooled: The Price of College Sports,” the controversial college football documentary featuring Texans running back Arian Foster’s comments that he was paid to play at Tennessee, airs at 7 p.m. tonight, but most Houston viewers will have to take unusual measures to watch it.

EPIX is available in the Houston area only via Dish Network, Suddenlink, Charter and Verizon FiOS, which means you can’t catch it on Comcast, DirecTV or AT&T U-verse.

It also can be accessed via Xbox 360, PS3, Roku, iPads, iPhones, Android tablets and phones and more. The Twitter handle is #Schooled.

“Schooled: The Price of College Sports” is based on the e-book “The Cartel: Inside the Rise and Imminent Fall of the NCAA” by historian Taylor Branch, who is interviewed in the documentary along with, among others, sportscasters Bob Costas and Jay Bilas, journalists Joseph Nocera of The New York Times, Frank Deford of Sports Illustrated, University of Nebraska-Lincoln chancellor Harvey Perlman, former Nike consultant Sonny Vaccaro and former UCLA football players Johnathan Franklin of the Packers and Jeff Locke of the Vikings.

Foster, in excerpts from the documentary released several weeks ago, acknowledged that he received money while playing at the University of Tennessee from 2004 through 2009. He has not detailed the source of the funds.

Not surprisingly, Foster’s comments in the film are critical of the NCAA’s insistence that it will not pay student-athletes beyond the value of an athletic scholarship.

“I am a firm believer that an employee should get paid for his work,” he said. “And 100 percent I see student-athletes as employees. Hiding from it is just cowardly.”

He added, “Schools make millions on millions on the backs of 18-year-old kids and then you have the audacity to sanction them because those are the rules. But what are the rules? We (the NCAA) made the rules up. This isn’t a question of morality. This is a question of however many, like six, seven, whatever, old white guys made up a rule saying athletes can’t get paid, not because they’re amateurs. It’s because we don’t want to pay them. That’s it.”